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2010-03-19 Magnus Granberg <zorry@ume.nu>
# #139277 #168834 #281246
* configure.ac: Check if the compiler
compile with -fPIE as default. If add -nopie
to STAGE1_CFLAGS and STAGE2_CFLAGS.
--- a/configure.ac 2010-03-07 15:39:03.000000000 +0100
+++ b/configure.ac 2010-03-09 13:04:12.000000000 +0100
@@ -107,6 +107,20 @@
if test "x$grub_cv_cc_no_stack_protector" = xyes; then
STAGE2_CFLAGS="$STAGE2_CFLAGS -fno-stack-protector"
fi
+ # Position Independent Executables, but GRUB doesn't want this feature.
+ AC_CACHE_CHECK([whether gcc has -fPIE on as default], grub_cv_cc_fpie, [
+ AC_TRY_COMPILE(,[
+ #if ! defined (__PIC__) || ! defined (__PIE__)
+ #error
+ #endif
+ ],
+ grub_cv_cc_fpie=yes,
+ grub_cv_cc_fpie=no)
+ ])
+ if test "x$grub_cv_cc_fpie" = xyes; then
+ STAGE1_CFLAGS="$STAGE1_CFLAGS -nopie"
+ STAGE2_CFLAGS="$STAGE2_CFLAGS -nopie"
+ fi
fi
fi
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